<!DOCTYPE html>
<html lang="en">
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>polygon</title>
  <link rel="stylesheet" href="./style.css" type="text/css" />
  <body>
    <div class="polygon"></div>
    <!-- <script src="./script.js" type="text/javascript"></script> -->
  </body>
</html>
